The third full moon in a season that contains four rather than the usual three full moons.

The phase of the moon when it is in opposition to the sun and its full disc is therefore visible. / The moon when it is in opposition to the sun.

The phase of the moon when it is in conjunction with the sun and is therefore obscured. / The moon when it is in conjunction with the sun. / The phase of the moon when it is waxing.

(idiomatic) Delighted, thrilled.

(astronomy) A lunar phase either side of the full moon when the moon's disc as seen from the Earth is larger than a semicircle.

The first full moon of autumn by a tropical year.

The full moon or the lunar month around midsummer.

(astronomy) Either of the intermediate stages between the new and full moons.

The moon in its first or last quarter when only half the visible face is illuminated; a quarter moon. / Anything shaped like a crescent, especially the base of a fingernail. / A type of cookie

(astronomy) The full moon after the harvest moon.